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An Updated Climatology of the Troposphere–Stratosphere Configuration of the Met Office's Unified Model
Publisher: American Meteorological Society
Abstract: In this paper results are presented from an improved version of the troposphere?stratosphere configuration of the Met Office Unified Model (UM). The new version incorporates a number of changes, including new radiation and ...
Transport in the Low-Latitude Tropopause Zone Diagnosed Using Particle Trajectories
Publisher: American Meteorological Society
Abstract: Recent literature has described a ?transition zone? between the average top of deep convection in the Tropics and the stratosphere. Here transport across this zone is investigated using an offline trajectory model. Particles ...
The Representation of Water Vapor and Its Dependence on Vertical Resolution in the Hadley Centre Climate Model
Publisher: American Meteorological Society
Abstract: Simulations of the Hadley Centre Atmospheric Climate Model version 3, HadAM3, are used to investigate the impact of increasing vertical resolution on simulated climates. In particular, improvements in the representation ...
Stratospheric Vacillations and the Major Warming over Antarctica in 2002
Publisher: American Meteorological Society
Abstract: The conditions that lead to the major warming over Antarctica in late September 2002 are examined. In many respects, the warming resembled wave-2 warmings seen in the Northern Hemisphere; the winter cyclonic circulation ...
The South Georgia Wave Experiment: A Means for Improved Analysis of Gravity Waves and Low-Level Wind Impacts Generated from Mountainous Islands
Publisher: American Meteorological Society
Abstract: AbstractGravity waves (GWs) play an important role in many atmospheric processes. However, the observation-based understanding of GWs is limited, and representing them in numerical models is difficult. Recent studies show ...